I don’t think it’s helpful to speak about the voiceless without enabling and facilitating that voice’ – says Ewa Jasiewicz. “It lacks credibility; it can reproduce disempowerment; it doesn’t challenge that unequal power dynamic” – she adds. This Polish-born journalist analyses casualised workplaces, leverage campaigns and the collective need to build an identity basing on her experience of cooperation with workers unions in Great Britain. Interview by Eliza Kania.